Round|Lab Grown|IGI

10.51ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG665415952

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665415952

Diamond specifications and retailer prices

From HK$16,970 HKD
$2,163 USD
As of October 31, 2026
Save HK$113,974 HKD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$130,945 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.51ct lab-grown round diamond

This 10.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665415952 or 665415952. Listed at 12 retailers as of October 31, 2026, with prices from HK$16,970 to HK$130,945, a HK$113,974 spread on the same certified stone. Brilliant Earth lists it at HK$130,945. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665415952
Dimensions14.19 × 14.30 × 8.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.19 mm14.30 mm10.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665415952
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$130,945 HKD|Low: HK$15,769 HKD|High: HK$135,024 HKD|Avg: HK$41,249 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9HK$15,769 HKD
Retailer 11HK$16,970 HKD
Retailer 6HK$18,908 HKD
Retailer 7HK$27,213 HKD
Retailer 13HK$27,523 HKD
Retailer 5HK$27,617 HKD
Retailer 10HK$28,864 HKD
Retailer 8HK$30,802 HKD
Retailer 2HK$32,572 HKD
Retailer 4HK$50,822 HKD
Retailer 12HK$51,939 HKD
Retailer 3HK$61,549 HKD
Brilliant EarthHK$130,945 HKD

39 data points across 13 retailers

12 retailersHK$16,970 HKD to HK$130,945 HKD

Retailer 1
-
HK$15,769 HKD
£1,583 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
HK$16,970 HKD
$2,163 USD
View
Final sale: no returns
A
Retailer 3
-
HK$18,908 HKD
$2,410 USD
View
A
Retailer 4
-
HK$27,213 HKD
ZAR 56,034 ZAR
View
A
Retailer 5
-
HK$27,523 HKD
$3,508 USD
View
A
Retailer 6
-
HK$28,864 HKD
$3,679 USD
View
A
Retailer 7
-
HK$30,802 HKD
€3,739 EUR
View
A
Retailer 8
-
HK$32,572 HKD
A$6,387 AUD
View
Retailer 9
-
HK$50,822 HKD
$6,478 USD
View
Price last confirmed 112 days ago
B+
Retailer 10
-
HK$51,939 HKD
$6,620 USD
View
B
Retailer 11
-
HK$61,549 HKD
$7,845 USD
View
Most Expensive
B
Brilliant Earth
21027069A · Oct 31
HK$130,945 HKD
$16,690 USD
View
11 more retailers have this diamond
Prices start from HK$16,970 HKDSave up to HK$113,974 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
10.51ct Round
HK$16,970 HKD